The validity of the theory has become obvious in the light of recent findings.

This newly-developed theory finds experimental support ..

The theory received universal recognition (general acceptance).

2．公式推导（formulas derivation）

… is given by:

… as follows:

… as in the following:

… the following equation is obtained.

… this becomes

therefore, we have

… can be expressed as

… can be derived:

… can be written:

… can be described by …

… can be represented as

3．方法介绍（method introduction）

the method of … was first developed by …

the method of …came into use as long ago as

the original proposal of this method was first published in …

the method we used differs from the conventional one.

The newly-elaborated technique is different from the one previously used.

The method is now greatly improved. …

The procedure we followed has certain advantages over the existing method.

One of the assets of the technique is its simplicity (reliability, sensitivity).

Another good feature of this method is …

This method allows us to demonstrate …

The above procedure makes it possible to evaluate …

This method is capable of providing …

4．实验描述（experiment description）

We made (carried out, performed, initiated ) this experiment to show (demonstrate, elucidate, evaluate) a correlation between (certain phenomena, the mechanism of, the hypothesis of, some features of )…

Experiments on … are made (underway) to …

Earlier (previous) experiments with this technique were intended (designed, designated) to …

The experiments reported here demonstrate a variety of changes in (a correlation between, a much resistance to) …

Our experiment support our assumption (hypothesis, evidence) that …

Recent experiments with … furnish some new information (for the data, new evidence) about the mechanism (the influence) of …

Further experiments in this area lead us to conclude (believe, suggest) that …